Display screen or portion thereof with graphical user interface



FIG. 1 is a front view of a display screen or portion thereof with graphical user interface, showing my new design; and,

FIG. 2 is a front view of the graphical user interface of FIG. 1 in which a mobile terminal is provided in broken lines to illustrate an example environment.

The broken lines in the drawing figures show portions of the display screen or portion thereof with graphical user interface that form no part of the claimed design. 

CLAIM I claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 